Bed-bottom.



x], vwo/l vtoz g M 6 612 ill S. G. CHATHAM. BED BOTTOM. APPLICATION FILED JULY 9, 1913.

1,107,587,, Patented Aug. 18, 1914;.

15 AORRIS PETERS co, PHOTO-Linn)v WASHINGTON. u. c

spective view of UNTTE ll SHELDON C. CHATI-IA'M, 0F THILADELPHIA, PENNSYLVANIA.

BED-BOTTOIVI.

Application filed July 9, 1913. Serial No. 778,094.

To all whom it may concern Be it known that l, SHELDON G. CHAT- rnmr, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in BecbBottoms, of which the following is a specification.

My invention relates to bed bottoms embodying a side rod, having corner bracket or brackets longitudinally movably mounted thereon, and has particular reference to novel means to effect the longitudinal movement of the corner bracket or brackets and positively prevent them from turning upon the side rod.

An important object of this invention is to provide screw-threaded means, to be attached to the end of the side rod, serving to spline the corner bracket thereto, and dispensing with the necessity of screw-threading the end of the side red, the means to effect the longitudinal movement of the corner bracket, having screw-threaded en genient with the screw-threaded means. A further object of my invention is to provide means of the above mentioned character, which are simple in construction, cheap to manufacture, convenient in use, strong and durable.

Other ob'ects and advantages of this invention will be apparent during the course of the following description.

In the accompanying drawings, forming a part of this specification and in which like numerals are employed to designate like parts throughout the same, Figure 1 is a side View of one corner of the bed bottom, showing one corner bracket, Fig. 2 is a central vertical longitudinal sectional view through the corner bracket, Fig. 3 is an inner end view of the same, Fig. 4; is a per the screw-threaded spline structure, Fig. 5 is a perspective view of the adjusting ring or nut, and, Fig. 6 is an outer end view of the corner bracket.

In the drawings, wherein for the sake of illustration, is shown a preferred embodiment of my invention, the numeral 7 designates a side rod, which is preferably tubular.

The'numeral 8 designates a corner bracket, comprising a lower horizontal tubular portion 9, having both ends thereof formed open, as more clearly shown in Fin. 2. This tubular port'cn 9 is adapted to receive toe tubular side rod 7, as shown. Connected Specification of Letters Patent.

Patented Aug. 18, 1914.

with the upper portion of the corner bracket 8 is a spring mattress 10, of any well known or preferred type.

The numeral threaded spline structure, as a whole, comprising an annular body portion 12, to surround the outer end of the tubular side rod 7 and be rigidly connected therewith by frictional engagement or screws or rivets 13, having their heads flush with the outer surface of the annular body portion 12. This annular body portion 12 carries preferably diametrically oppositely arranged longitudinal splines 14:, which engage upon the tubular side rod 7 and have their outer surfaces screw-threaded, as shown at 15. The tubular portion 9 of the corner bracket has the outer end portion of its bore enlarged, such enlarged portion preferably extending to about the point 16, whereby the corner bracket is free to move outwardly and longitudinally of the tubular side rod 7 for a desired distance. The contracted inner portion of the bore of the tubular portion 9 has its inner wall provided with oppositely arranged longitudinal slots 17, for receiving therein the splines 14. It is obvious that these splines will prevent the corner bracket from perceptibly turning. upon the tubular side rod.

The numeral 18 designates an operating nut, or ring, having screw-threaded engagement upon the screw-threaded splines 1 Pivotally connected with this operating nut or ring is a lever or handle 19 adapted to be swung downwardly into engagement with a flange or web 20 of the corner bracket 8, there preferably being a upon the opposite side of the lever 19, as shown.

When the different parts of the apparatus are assembled, it is obvious that by rotating the operating nut 18 in the proper direction, the same will efiect the outward longitudinal movement of the corner bracket 8, to place the spring mattress 10 under desired tension. B swinging the lever 19 downwardly between the flange or web 20 and the lug 21, the same will positively hold the operating nut 18 againstaccidental rotation.

It is to be understood that the form of my invention herewith shown and described is to be taken as a preferred example of the same, and that various changes in the shape, size and arrangement of parts may be resorted to without departing from the spirit 11 designates a screwlug 21 disposed.

(LID

of the invention or the scope of the sub joined claims.

Having described my claim 1.111 apparatus of the character deinvention, I

scribed, the combination with a side rod, of

a corner brackethaving an opening formed therethrough for receiving the end portion of the side rod to be movable longitudinally thereof, a spring mattress attached to the ccrner'bracket, screw-threaded splines connected With the side rod and operating through openings formed in the corner bracket to positively prevent the same from nut.

2. In apparatus of the character described, the combination with a side rod, of a corner bracket having an opening formed therethrough for receiving the end portion of the i side'rod to be movable longitudinally thereof, a spring mattress attached to the corner bracket, splines extending longitudinally of the side rod and attached to the end portionthereof and operating within longitudinal slots formed through the corner bracket to prevent the corner bracket from turning with relation to the side rod, and means having screw-threaded engagement With the splines to effect thelongitudinal movement of the corner bracket in one direction.

3. In apparatus of the character described,

the combination with a side rod, of a tubular element mounted thereon to move long1tud1- nally thereof, a screw-threaded spline at tached to the tubular rod and operating bracket having an opening formed therethrough for receiving one end of the siderod to be movable longitudinally thereof, a

spring mattress attached to the corner.

bracket, a ring disposed Within the opening of the corner bracket and rigidly mounted upon the end portion of the side rod and carrying longitudinally extending screwthreaded splines, an operating nut havingv screw-threaded engagement With the screwthreaded splines for effecting the longitudinal movement of the corner bracket in one direction, and means to turn the operating nut.

In testimony whereof I afiiX my signature in presence oftwo Witnesses.

- SHELDON o. GHATHAMQ Witnesses F. Roenns DONAHUE, J. S. OETTER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, 3). C. 

